Radio telecommunications apparatus

Details Radio telecommunications apparatus Radio telecommunications apparatus

1990-07-10

1993-04-06

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

4552342, 381109, H04B 138, H03G 302

Patent

active

052010686

ABSTRACT:
A radio telecommunication apparatus comprises a volume key for controlling volume, detecting means for generating a first detection signal in response to continuous push of the volume key, and generating a second detection signal in response to intermittent push of the volume key, and voice volume control means for performing control to increase the volume in response to one of the first and second detection signals, and performing control to decrease the volume in response to the other of the first and second detection signals.

REFERENCES:
patent: 4385204 (1983-05-01), Wine
patent: 4481384 (1984-11-01), Matthews
patent: 4651114 (1987-03-01), Steinmayer, Jr. et al.
patent: 4827520 (1989-05-01), Zeinstra

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